This is, as the subtitle says, "an expert compendium to take your passion and knowledge to the next level." Author Hans Offringa comes right out of the gate in the introduction to state that whisky is "the most complex drink in the world." Those inclined to agree will appreciate Offringa's in-depth approach. He gets into all kinds of old and new history, offering insights into the spread of distilling techniques, and updates on global whisky trends.